恶性胸腺瘤属胸腺上皮源性肿瘤,在所有恶性疾病中占0.2%～1.5%[1],发病率较低,术前很难明确诊断,多需术后病理及免疫组化证实。我科在2000～2009年期间共收治了70例恶性胸腺癌患者,总结分析如下。资料与方法1.一般资料70例恶性胸腺瘤患者中,男43例,女27例,年龄15～59岁,中位年 Malignant thymoma is a thymic epithelial tumor accounting for 0.2% to 1.5% of all malignant diseases [1]. The incidence is low and it is difficult to confirm the diagnosis preoperatively. It is often confirmed by pathological and immunohistochemical methods. In our department from 2000 to 2009 were treated 70 cases of malignant thymus cancer patients, summarized as follows. Materials and Methods 1. General Information 70 cases of malignant thymoma patients, 43 males and 27 females, aged 15 to 59 years, median years